Led lamp 4000 k, 2150 lm, 20 w equivalent to 42 w, gx24q-4, ip20. efficient consumption 20 kwh/1000 h, energy class f. compatible with electronic ballasts (hf / gx24q-4). lifespan of 30,000 h, switching cycles 20,000. fast start <0.5 s (60% light). ra=80, light beam angle of 280°. working temperature range from -20 °c to +45 °c. 40-90 v, 25-75 khz. 4.4 x 4.4 x 16.7 cm